def archive(self):
"""
Archive the link
Link get archived to save some memory in redis/db by disallowing voting and commenting on old links
Upon archiving of the link all votes get deleted and only the final score is kept
Same thing happens with the votes on comments of this link - votes get deleted and only final score is kept
"""
# delete link votes from DB
LinkVote.where("link_id", self.id).delete()
# delete cached link votes
link_upvotes_key, link_downvotes_key = LinkVote.set_keys(self.id)
cache.delete(link_upvotes_key)
cache.delete(link_downvotes_key)
# delete comment votes
for comment in Comment.where("link_id", self.id):
# delete cached comment votes
comment_upvotes_key, comment_downvotes_key = CommentVote.set_keys(
comment.id)
cache.delete(comment_upvotes_key)
cache.delete(comment_downvotes_key)
# delete comment votes from DB
CommentVote.where("comment_id", comment.id).delete()
# update self
with self.get_read_modify_write_lock():
self.archived = True
self.update_with_cache()
def votes(self):
"""
Get link votes
:return:
"""
from news.models.vote import LinkVote
return LinkVote.where("link_id", self.id).get()